question_answer

An experiment takes 10 minutes to raise the temperature of water in a container from 0°C to 100°C and another 55 minutes to convert it totally into steam by a heater supplying heat at a uniform rate. Neglecting the specific heat of the container and taking specific heat of water to be 1 cal/g °C, the heat of vaporization according to this experiment will come out to be:                                                       [JEE MAIN 11-04-2015]

A)  530 cal/g         

B)       540 cal/g

C)  550 cal/g         

D)       560 cal/g